Files
filament/libs/ktxreader/tests/test_ktxreader.cpp
Philip Rideout b9a5ad205a Fix unit test failures.
Basis does not support DXT3 so in the past this unit test passed only
due to the enum translation bug that was recently fixed.
2022-05-02 09:48:36 -07:00

97 lines
2.8 KiB
C++

/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ktxreader/Ktx1Reader.h>
#include <ktxreader/Ktx2Reader.h>
#include <filament/Engine.h>
#include <filament/Texture.h>
#include <gtest/gtest.h>
#include <utils/Path.h>
#include <fstream>
#include <vector>
using namespace filament;
using namespace std;
using utils::Path;
class KtxReaderTest : public testing::Test {
protected:
void SetUp() override {
engine = Engine::create(Engine::Backend::NOOP);
}
void TearDown() override {
Engine::destroy(&engine);
}
Engine* engine = nullptr;
};
static vector<uint8_t> readFile(const Path& inputPath) {
std::ifstream file(inputPath, ios::binary);
return vector<uint8_t>((istreambuf_iterator<char>(file)), {});
}
TEST_F(KtxReaderTest, Ktx1) {
const utils::Path parent = Path::getCurrentExecutable().getParent();
const auto contents = readFile(parent + "lightroom_ibl.ktx");
ASSERT_EQ(contents.size(), 129368);
image::Ktx1Bundle bundle(contents.data(), contents.size());
Texture* tex = ktxreader::Ktx1Reader::createTexture(engine, bundle, false,
[](void* userdata) { /* */ }, nullptr);
ASSERT_NE(tex, nullptr);
ASSERT_EQ(tex->getWidth(), 64);
ASSERT_EQ(tex->getHeight(), 64);
engine->destroy(tex);
}
TEST_F(KtxReaderTest, Ktx2) {
const utils::Path parent = Path::getCurrentExecutable().getParent();
const auto contents = readFile(parent + "color_grid_uastc_zstd.ktx2");
ASSERT_EQ(contents.size(), 170512);
ktxreader::Ktx2Reader reader(*engine);
reader.requestFormat(Texture::InternalFormat::DXT5_SRGBA);
reader.requestFormat(Texture::InternalFormat::DXT5_RGBA);
// Uncompressed formats are lower priority, so they get added last.
reader.requestFormat(Texture::InternalFormat::SRGB8_A8);
reader.requestFormat(Texture::InternalFormat::RGBA8);
Texture* tex = reader.load(contents.data(), contents.size(),
ktxreader::Ktx2Reader::TransferFunction::sRGB);
ASSERT_NE(tex, nullptr);
ASSERT_EQ(tex->getFormat(), Texture::InternalFormat::DXT5_SRGBA);
ASSERT_EQ(tex->getWidth(), 1024);
engine->destroy(tex);
}
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}